Update README.md

Author: AndreaCimminoArriaga

README.md

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-# WoT Hive
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+![logo](https://github.com/oeg-upm/wot-hive/blob/AndreaCimminoArriaga-wothive-logo/logo.png)
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 [![Version](https://img.shields.io/badge/Version-0.1.4-orange)](https://github.com/oeg-upm/wot-jtd/releases) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GitHub stars](https://img.shields.io/github/stars/Naereen/StrapDown.js.svg?style=social&label=Star&maxAge=2592000)](https://github.com/oeg-upm/wot-jtd/stargazers)
 
 WoT Hive is an implementation of a [W3C Web of Things directory ](https://www.w3.org/TR/wot-discovery/). This implementation is compliant with the standard specification but aims at providing enriched features thanks to the usage of other W3C standards related to Semantic Web technologies.